| 1 | LEIDOS, INC. | $891,661,651 | 2 | $445,830,825 | Jun 15, 2021 | Department of Energy |
| 2 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, IN… | $741,527,890 | 57 | $13,009,261 | Aug 06, 2025 | Department of Transportat… |
| 3 | AMAZON WEB SERVICES, INC. | $695,938,548 | 36 | $19,331,626 | Jul 01, 2026 | Department of Defense |
| 4 | INTERNATIONAL BUSINESS MACHINES CORPORATION | $670,105,535 | 4 | $167,526,384 | Sep 01, 2025 | Department of Veterans Af… |
| 5 | PERATON ENTERPRISE SOLUTIONS LLC | $407,391,080 | 8 | $50,923,885 | Sep 27, 2021 | General Services Administ… |
| 6 | GOVCIO, LLC | $353,367,481 | 1 | $353,367,481 | Sep 19, 2022 | Department of Veterans Af… |
| 7 | MICROSOFT CORPORATION | $303,401,585 | 19 | $15,968,504 | Jan 23, 2026 | Department of Defense |
| 8 | COMPANION DATA SERVICES LLC | $300,299,993 | 2 | $150,149,997 | Sep 23, 2013 | Department of Health and … |
| 9 | DATAMINR, INC. | $298,797,863 | 1 | $298,797,863 | Jun 26, 2021 | Department of Defense |
| 10 | EAGLE HARBOR, LLC | $296,724,665 | 5 | $59,344,933 | Feb 01, 2024 | Department of Justice |
| 11 | WESTAT, INC. | $181,778,459 | 1 | $181,778,459 | Jul 13, 2020 | Department of Health and … |
| 12 | QLARANT INTEGRITY SOLUTIONS LLC | $174,976,849 | 1 | $174,976,849 | Sep 29, 2005 | Department of Health and … |
